cve-2021-34561
Vulnerability from cvelistv5
Published
2021-08-31 10:32
Modified
2024-09-17 01:56
Severity ?
EPSS score ?
Summary
A vulnerability in WirelessHART-Gateway <= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding
References
▼ | URL | Tags | |
---|---|---|---|
info@cert.vde.com | https://cert.vde.com/en-us/advisories/vde-2021-027 | Third Party Advisory |
Impacted products
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CERT@VDE coordinated." } ], "datePublic": "2021-08-16T00:00:00", "descriptions": [ { "lang": "en", "value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target\u0027s browser." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-350", "description": "CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-08-31T10:32:56", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://cert.vde.com/en-us/advisories/vde-2021-027" } ], "solutions": [ { "lang": "en", "value": "No update available." } ], "source": { "advisory": "VDE-2021-027", "discovery": "INTERNAL" }, "title": "A vulnerability in WirelessHART-Gateway \u003c= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding", "workarounds": [ { "lang": "en", "value": "An external protective measure is required.\n\n* Minimize network exposure for affected products and ensure that they are not accessible via the Internet.\n* Isolate affected products from the corporate network.\n* If remote access is required, use secure methods such as virtual private networks (VPNs)." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-08-16T07:07:00.000Z", "ID": "CVE-2021-34561", "STATE": "PUBLIC", "TITLE": "A vulnerability in WirelessHART-Gateway \u003c= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "WHA-GW-F2D2-0-AS- Z2-ETH", "version": { "version_data": [ { "version_affected": "\u003c=", "version_name": "3.0.8", "version_value": "3.0.8" } ] } }, { "product_name": "WHA-GW-F2D2-0-AS- Z2-ETH.EIP", "version": { "version_data": [ { "version_affected": "\u003c=", "version_name": "3.0.8", "version_value": "3.0.8" } ] } } ] }, "vendor_name": "Phoenix Contact" } ] } }, "credit": [ { "lang": "eng", "value": "Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.